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Back Wheels on Snapper SB locked up

Posted by tooltime79 Midwest US (My Page) on
Sat, Dec 26, 09 at 19:01

I noticed my drive mechanism was slipping yesterday while blowing very heavy, wet snow. All of a sudden the rear wheels locked up tight and I had to drag it home. It's a 1991 Snapper I422 2 stage. I've never had a problem with it until now. Thanks!

Follow-Up Postings:

RE: Back Wheels on Snapper SB locked up

Though not familiar with your exact machine, the answer probably lies inside the lower cover and will need inspection. bolt out of a jack shaft, broken carrier, spring etc.

RE: Back Wheels on Snapper SB locked up

OK, thanks Tom. I did remove the inspection cover from underneath and found all sorts of rubber material laying in the bottom along with metal shavings. A chunk of rubber got in the sprocket and cog for the rear drive shaft. I cleaned that out and now it rolls freely. I also found the blower drive belt is loose and slapping when disengaged after I removed the belt cover.

Back to the drive system, the vertical wheel is very loose and wobbles side to side so that much be shot. I get just a little forward motion from the drive system now even after adjusting the cable tighter. Seems I have multiple problems here.

RE: Back Wheels on Snapper SB locked up

It's not so bad once you have the cover off. It sounds as though that the friction disc came apart and created all kinds of issues. A significant amount of wobble isn't good. While you are there you want to know that the driven plate also seems secure. Look for lateral movement in bearing and such.

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